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[Various] 6-Core Coffee Lake Lineup: i7-8700K & i5-8600K / Official Reviews & Benchmarks (Update 19) - Page 98

post #971 of 5935
Serious question here as I've never delayed a build due to something that's about to be released, but I am now.

How long should we expect to wait for unbiased reviews, and how unwise would it be to buy one of the new motherboards within a few weeks of release ?

In this case I'm mostly talking about the motherboards, but also the CPU's.

Ram shouldn't be an issue since this isn't something completely new like Ryzen.
Edited by Ascii Aficionado - 9/2/17 at 8:55am
 
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post #972 of 5935
Quote:
Originally Posted by Ascii Aficionado View Post

Serious question here as I've never delayed a build due to something that's about to be released, but I am now.

How long should we expect to wait for unbiased reviews, and how unwise would it be to buy one of the new motherboards within a few weeks of release ?

In this case I'm mostly talking about the motherboards, but also the CPU's.

Ram shouldn't be an issue since this isn't something completely new like Ryzen.

I expect reviews in sep and availability oct / q4

I don't see why you would wait for a "Z390" over Z370. The added features are useless for most people building a gaming rig anyway.. I for sure don't need thunderbolt or intel audio solution..
Edited by Lass3 - 9/2/17 at 9:25am
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post #973 of 5935
Quote:
Originally Posted by Ascii Aficionado View Post

Serious question here as I've never delayed a build due to something that's about to be released, but I am now.

How long should we expect to wait for unbiased reviews, and how unwise would it be to buy one of the new motherboards within a few weeks of release ?

In this case I'm mostly talking about the motherboards, but also the CPU's.

Ram shouldn't be an issue since this isn't something completely new like Ryzen.

Just be sure to get something with quality VRMs, these processors will run hot (hotter than Kaby due to +2 cores) and will draw a lot of power. Having a quality mobo will ensure you get the best stability and performance out of your system.
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post #974 of 5935
Quote:
Originally Posted by SuperZan View Post

I remain skeptical of a plethora of 5.2GHz overclocks without phase change or better.
A 14nm cpu needs phase change to run 5290mhz in this link http://forum.hwbot.org/showthread.php?t=144316

http://www.overclock.net/t/1619559/kaby-lake-binning/100#post_25788712 A user here is able to run a 14nm+ cpu w/ an enthusiast board at 5400mhz ( 1.36v )and even 5455mhz with that watercooling setup. An average 14nm++ cpu should be capable of matching the clocks of a binned 14nm+ cpu. Kind of like how an average 7700K can consistently clock as high as a binned 6700K.
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post #975 of 5935
Quote:
Originally Posted by wingman99 View Post

14nm to 14nm+ to 14nm++ lowers the power and improves the clock speed for each process.

I was under the impression we were talking about OC only and not the stock, I mean 5.0-5.2 GHz CL, since KL i7 consumes about 40%+ more power at 11.1% more clocks(4.5 GHz vs 5GHz) and a little bit more clock requires even significant current/voltage.
7700k's stock is 4.2 GHz with 4.5 GHz single/quad turbo.
8700k's stock is 3.7 GHz with 4.7 GHz single and 4.3 GHz six core turbo.
If the info is correct then it does look like Intel hasn't reduced six core turbo for no reason as it could have been done so due to above normal temperature and since more temp has a relation to more power consumption and If we follow current voltage power characteristics of KL i7 then it is very likely that CL i7 might consume much higher power at 5.0 or 5.2 GHz.
I think at least 200watts when all cores at 5.0 GHz, Yeah this kinda speculation is not very strong and I might be wrong though, well, we'll see.

But regardless, if performance, stability and SMT scaling is good that frequency and with mid range air/AIO then who cares about power consumption.
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post #976 of 5935
Quote:
Originally Posted by Lass3 View Post

I expect reviews in sep and availability oct / q4

I don't see why you would wait for a "Z390" over Z370. The added features are useless for most people building a gaming rig anyway.. I for sure don't need thunderbolt or intel audio solution.

Z370 boards aren't out yet and that's what's needed for Coffee Lake.
 
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post #977 of 5935
Quote:
Originally Posted by Clukos View Post

Just be sure to get something with quality VRMs, these processors will run hot (hotter than Kaby due to +2 cores) and will draw a lot of power. Having a quality mobo will ensure you get the best stability and performance out of your system.

"draw alot of power" I doubt it
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post #978 of 5935
Quote:
Originally Posted by Ascii Aficionado View Post

Z370 boards aren't out yet and that's what's needed for Coffee Lake.

Neither are the CPU's - So it's all good..
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post #979 of 5935
Quote:
Originally Posted by Ascii Aficionado View Post

Z370 boards aren't out yet and that's what's needed for Coffee Lake.


Z370 is not yet out and ppl are already talking about Z390.


But knowing Intel pattern, they might release Z470 within 6 months haha.
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post #980 of 5935
Quote:
Originally Posted by sumitlian View Post

Quote:
Originally Posted by wingman99 View Post

14nm to 14nm+ to 14nm++ lowers the power and improves the clock speed for each process.

I was under the impression we were talking about OC only and not the stock, I mean 5.0-5.2 GHz CL, since KL i7 consumes about 40%+ more power at 11.1% more clocks(4.5 GHz vs 5GHz) and a little bit more clock requires even significant current/voltage.
7700k's stock is 4.2 GHz with 4.5 GHz single/quad turbo.
8700k's stock is 3.7 GHz with 4.7 GHz single and 4.3 GHz six core turbo.
If the info is correct then it does look like Intel hasn't reduced six core turbo for no reason as it could have been done so due to above normal temperature and since more temp has a relation to more power consumption and If we follow current voltage power characteristics of KL i7 then it is very likely that CL i7 might consume much higher power at 5.0 or 5.2 GHz.
I think at least 200watts when all cores at 5.0 GHz, Yeah this kinda speculation is not very strong and I might be wrong though, well, we'll see.

But regardless, if performance, stability and SMT scaling is good that frequency and with mid range air/AIO then who cares about power consumption.
I was just showing that the coffee lake stock clock went up 200 MHz to 4.7GHz and that would translate from skylake ~5.0GHz to coffee lake ~5.2GHz overclock. Power will go up with 6 cores coming from 4 cores.
Edited by wingman99 - 9/2/17 at 10:16am
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